Ushi-oni
type of yokai in Japanese mythology and folklore

The ushi-oni (牛鬼; ox oni; ox demon), or gyūki, is a yōkai from the folklore of western Japan. The folklore describes more than one kind of ushi-oni, but the depiction of a bovine-headed monster occurs in most. Ushi-oni generally appear on beaches and attack people who walk there.
Description
Ushi-oni have brutal, savage personalites. Their appearance varies, mainly based on geographical location. They usually have an ox's head with sharp upward-curving horns, wicked fangs and a slender tongue. They spit poison and enjoy killing and eating humans. Their body is most commonly depicted as spider-like with six legs and long singular claws at the end of each appendage.
In other descriptions, they have the head of an ox and an oni's torso. Certain legends claim that they appear in front of temple gates in the mountains wearing human clothing, or flying with the wings of an insect.
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